What do both of these functions have in common?
f(x)=2log10(x-1)-4 g(x)=10(x-1)^2+4
a. they have the same vertical stretch
b. they have the same vertical shift
c. they have the same end behavior
d. they have the same horizontal translation

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?